单词:thermal radiation in the infrared
单词:thermal radiation in the infrared 相关文章
[00:14.90]Ive never seen anything like it. 我从来没见过这样的情形 [00:15.90]Theres no point of reference. All I can see is cloud cover. 没有参照点 我看到的全是云层 [00:22.14]What are you doing? 你在干什么? [00:22.82]Takin
UNIT 9 Text A PRE-READING TASK Exercise 1 Before reading the passage, think about the statements. Do you Agree or Disagree with them? Why? 1. There is no need to worry about the problem of energy. 2.
Human vision like that of other primates has evolved in an arboreal environment. In the dense complex world of a tropical forest, it is more important to see well that to develop an acute sense of sme
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Animals rely on all sorts of cues to find their next meal. Monkeys and birds are attracted to the colors of ripe fruits and berries. And snakes find thei
This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Five very old galaxies are now known to astrophysicists, thanks to Albert Einstein. A century ago, Einstein predicted an effect called cosmic gravitational lensing. Pictur
物理学 statics 静力学 motion 运动 inertia 惯性 gravitation 引力 relativity 相对 gravity 地心引力 vibration 震动 medium (media) 媒质 frequency 频率 wavelength 波长 pitch 音高 intensity 强度 echo 回声 resonance 回声,洪